Vania



Oct. 2., 1923. 1,469,399

F. H. TREAT GAS PRODUCER Filed May 25. 1920 5 Sheets-Sheet 1 gwventoz m alitozmug B 2 F. H. TREAT GAS PRODUCER Filed May 25. 1920 5 Sheets-Sheet 2 "1* N ("A r m I I,

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Oct. 2 1923. 1,469,399

F. H. TREAT GAS PRODUCER Filed May 25, 1920 5 Sheets-Sheet 5 @5 QM, Kmux QM SM gua ablouwqx Patented Oct. 2, 1923.

UNITED STATES PATENT OFFICE.

FRANCIS H. TREAT, OF CLEVELAJD, OHIO, ASSIG'NOR TO DUFF PATENTS COMPANY,

INCORPORATED, OF PITTSBURGH, PENNSYLVANIA, A CORPORATION OF PENNSYL- VANIA.

GAS PRODUCER.

Application filed May 25,

State of Ohio, have invented a new and useful Improvement in Gas Producers, of which the following is a full, clear, and exact descripticn, reference being had to the accompanying drawings, forming part of this specification, in which Figure 1 is a view partly in vertical section and partly in side elevation of a gas producer embodying my invention.

Figure 2 is a plan view, partly in section oi the parts shown in Figure 1.

Figure 3 is a plan view, partly broken I away, of the ash pan and its associated parts.

Figure l is a section on the line IVIV of Figure 3.

Figures 5 and 6 are detail sectional views taken respectively on the lines V-V and VIVI of Figures 2 and 3, and

Figure 7 is across section through one of the tuyeres.

My invention has relation to certain new and useful improvements in gas producers.

One of the objects of my invention is to provide a gas producer in which the usual grate construction is eliminated and to provide in lieu thereof a novel and effective arrangement of blast distributing tuyeres which are so constructed and arranged as to impose a minimum resistance to the descent of the ash and fuel bed in the producer, while at the same time they give an elfective distribution of the blast throughout the fuel bed.

A further object of my invention is to provide a producer of the stationary type having means of novel and effective character for removing ashes from the stationary ash pan into which the producer discharges its ashes.

A further object of the invention is to provide novel means for supporting the shell and body of the producer.

The nature of my invention will be best understood by reference to the accompanying drawings in which I have shown a preferred embodiment thereof and which will now be described, it being premised, however, that various changes can be made in the details of construction, arrangement and combina-' tion of the various parts, without departing 1920. Serial No. 384,053.

from the spirit and scope of my invention as defined in the appended claims.

In these drawings, the numeral 2 designates the shell of the producer which may be, in general, of any suitable character.'

This shell, together with the entire body of the producer, is supported by means of the columns 3, preferably of structural steel. The bases of these columns are olfset sulficiently with respect to the vertical line of the producer shell and of the ash pan and its associated parts, to be clear of the latter, their upper portions being bent inwardly and se cured to the shell by means of the plates 4. As many of these columns may be provided around the producer as is necessary in any particular case.

5 designates a radial series of tuyeres which are designed to replace the grates usu- These tuyeres are equally ally employed. spaced, projecting inwardly through the depending mantle or apronG at the base of the producer, being removably seated in open ings therein and supported by the brackets 7 seouredto the inner side of the apron or mantle. Each tuyere is also preferably pro vided with a downwardly projecting flange posite sides of the center of the tuyere. The

inner ends of the tuyeres are provided with downwardly and inwardly extending discharge openings 10. Each tuyere may be supplied with blast by any suitable arrangement such as a steam jet blower 11 of well known character.

Owing to the circular form of these tuyeres and their spaced arrangement, it will be seen that they afford'a minimum resistance to the free passage of the ash downwardly between them, while giving a very effective distribution of the blast.

12 designates a stationary ash pan mounted on suitable supports 13 of the foundation and into which the mantle or apron 6 depends to. a distance below the water level of the pan sufiicient to provide the usual water seal. The ash pan has an tip-standing edge 12 whereby the pan may hold the desired amount of water.

30 cry of the ring is formed with gear teeth 24 7 action.

'which extends upwardly into the pan and within the cap 17, a plurality ot openings 17 beingprovided through which the water can enter said cap, and thence pass into the discharge pipe 16. From the hub out to a point adjacent to the periphery of the bottomof the pan, the scrapers consist of flat sections which are arranged to rotate adjacent to the bottom of the pan. At this point they merge into the inclined portions 18 which extend obliquely upward along the sloping sides of the pan and to the outer periphery of, its upper edge. The ends of the portions 18 are rigidly secured to posts 20 which at their lower ends are secured to the inner side of an annular ring 21 which surrounds the pan; This ring is mounted on a plurality of wheels 22 journalcd therein and which travel on a circular track23 on the foundation. A. portion of the outer periphwliich are engaged by driving pinions 25. These'driving pinions are journaled at the upper ends of the short vertical. shafts 26. hach of these shafts carries aibeveled gear wheel 27 which meshes with a beveled pin- .ion 28 on a diametrically ext-ending shaft 29 driven by anysuitable means,such as the electric'motor 30. The gear ring 21 is centered between the'two pinions' 25 and these pinions are prevented from. meshing too 31 which travel on the nntoothed peripheral portion of the ring 21. From the foregoing, it will be apparent that the ring 21, together with'the scrapers, rotate as a unit with respect tothe stationary pan.

"32 designates an ash receiving trough "which is mounted on the upper peripheral portions of the wheels 22 before referred to in a' manerto be rotated around the ash pan by said wheels.

As will be apparent,

' the trough will be rotated at approximately twice the speed of the peripheral movement of the ring. This trough is arranged to receive the ashes which are discharged over the upper edge 'of the pan by the action of the scrapers.

The ashes are discharged from its trough at a single point by a' suitable plow, such asin a manner to scoop up the ashes and carry them over the edge or the trough a the latter rotates.

35 designates a guard adjacent to the plow, and which acts to direct the ashes to the action or the plow and to prevent their becoming lodged at the extreme inner edge of the trough. The manner in which the plow is constructed and. arranged is clearly shown in Figures 2, 5, and 6. As the trough V rotates in a clockwise direction, the ashes are caught upon the obliqueinclined blade portion 33 thereof and are forced upwardly, being linally'discharged at the upper edge of said inclined portion. at the point 33* in l igure 2.

in this manner I provide a simple and very el'lective arrangement whereby notwithstanding the non-rotation of the producer and ash pan, the ashes are nevertheless continually removed from the pan and are iinally discharged at a single point.

As above pointed out, the supports for the producer shell and body are so arranged that their bases are outside of and entirely out of the way of the rotating parts of the ash-removing mechanism.

It will be readily understood that various changes can be made in the construction and arrangement of the parts, thus any suitable means may be provided for rotating the ring; the plows may be constructed in different ways and. united with the ring to rotate therewith by means other than those shown;

the means of removing the ashes from the rotating trough may also be varied and other changes made within the scope of the appended claims. 7

I claim:

1. The combination with a gas producer having a stationary shell and a stationary ash pan having upstanding edgaoi a scraper rotatable within the pan and hav ing an elevating portion for delivering the ashes over the peripl'ieral edge 0% the pan, and means for rotating said scraper, sub stantially as described;

2. The combination with a gas producer having a stationary shell and a stationary discharged from the pan, and. means for rotating the trough and scraper,-substantsally as descrlbed.

. 8. The combination with a gas producer having afixed. shell and a stationary ash.

pan, of a scraper member rotatable within the pan andhaving an elevating portion for raising and delivering the ashes from the peripheral edge of the pan, a rotatable trough surrounding the pan and into which the ashes are arranged to be discharged,

means for rotating the trough and scraper, and means for discharging the ashes from the trough at a single point, substantially as described.

4:. The combination with a gas producer having a fixed shell and a stationary ash pan, of a scraper member rotatable within the pan and having an elevating portion for raising and delivering the ashes from the peripheral edge of the pan, a rotatable trough surrounding the pan and into which the ashes are arranged to be discharged, means for rotating the trough and scraper, and means for discharging the ashes from the trough at a single point, said means comprising a stationary plow depending within the trough, substantially as described.

5. In a gas producer, the combination with a stationary shell and pan, having an upstanding edge, of an annular member surrounding the pan, gearing for rotating said member, and a scraper carried by the annular member and extending within the pan, said scraper having means for elevating the ashes over the edge of the pan, substantially as described.

6. In a gas producer, the combination with a stationary shell and pan, of an an nular member surrounding the pan, gearing for rotating said member, a scraper carried by the annular member and extending within the pan, said scraper having means for elevating the ashes over the edge of the pan, together with an annular trough surrounding the pan, and means for rotating said trough and for discharging the ashes therefrom, substantially as described.

7. In a gas producer, the combination with a stationary shell and pan, of an annular member surrounding the pan, gearing for rotating said member, a scraper carried by the annular member and extending within the pan, said scraper having means for elevating the ashes over the edge of the pan, together with an annular trough surrounding the pan, and means for rotating said trough and for discharging the ashes therefrom, said trough being supported upon rotating means journaled in the annular member, substantially as described.

8. In a gas producer, the combination with a stationary shell and ash pan, of an annular member surrounding the pan and having supporting wheels journaled there in, gearing for driving and centering said member, a scraper member carried by said annular member and extending within the pan, said scraper having an elevating portion, and a trough surrounding the pan and mounted on said wheels, said trough being arranged to be rotated by the wheels andto receive the ashes discharged from said pan, substantially as described.

9. In a gas producer, the combination with a stationary shell and ash pan, of an annular member surrounding the pan and having supporting wheels journaled therein, gearing for driving and centering said annular member, a scraper member carried by said annular member and extending within the pan, said scraper having an elevating portion, and a trough surrounding the pan and mounted on said wheels, said trough being arranged to be rotated by the wheels and to receive the ashes discharged from said pan, together with a discharge plow supported in fixed position and extending within said trough, substantially as described.

10. In a gas producer, the combination with a stationary ash pan having an upstanding edge, of a pair of scrapers arranged oppositely within said pan, said scrapers having elevating portions, and an annular member surrounding the pan and to which the scrapers are connected. and means for rotating the annular member and thereby the scraperssubstantially as described.

11. In a gas producer, the combination with a stationary ash pan, of a pair 0' scrapers arranged oppositely Within said pan, said scrapers having elevating portions, an annular member surrounding the pan and to which the scrapers are connected, and means for rotating the annular element and thereby the scrapers, together with an annular trough arranged exteriorly of the pan to receive the discharge from said scrapers, and means for rotating the trough, substantially as described.

12. In a gas producer, the combination with a stationary pan having an upstanding edge, of a pair of scrapers mounted within the pan, said scrapers having elevating portions extending to the point adjacent the peripheral edge of the pan, and means exteriorly of the pan for rotating the scrapers, substantially as described.

13. In a gas producer, the combination with a stationary pan, of a pair of scrapers mounted within the pan, said scrapers having elevating portions extending to the point adjacent the peripheral edge of the pan, and means exteriorly of the pan for rotating the scrapers, said scrapers being connected at their inner ends to a central hub member, substantiall as described.

1 1. In a gas pro ucer, the combination with a stationary ash pan, of a pair of scraper elements arranged within the pan and having elevating portions arranged to deliver the ashes over the peripheral edge of the pan, a central hub member to which the scrapers are connected at their inner ends, and a water outlet contained within said hub member, substantially as described.

15. In a gas producer, the combination with a stationary ash pan, of a pair of scrapers within said pan and extending in opposite directions from the center thereof,

said scrapers having elevating their oulger ends arranged to l ashes from the periphery of the nular ele111e11+v surrounding the 1 which the scrapers Gunner:

res-11's l'er clir gears engag'ng rlien'ielrically 01 1 per tiens of the annular element and 1111 ssl: re

ceiving trough refiatably mounted :111 l l n. 110: 11s 49 annular element and urrasged to receive "iii e surrounh ashes discharged by the scrag 1'- ing 'szr'ul with means for discharging rile .7 Q lCl treugh, substantially as rlescrihed 16. in a was n-oahuren the 00111111 "0 1 Wiih a statioimry ssh pan, of pair of ,nemher scrapers 1 arranged eppesitel wi S'elll Bill 1111 11, said scrapers having; elevai t'ions an annular ineml' pen and to which ihe scrapers '21: means for rotating'seial 211111111 and thereby rotating the scraupe, 1 trough surroundingg"said ssh 111111 receiving flSllES as (lisclmr ml the}: said scrapers suhsl'z'intiuli member and e 1 PLUUHCGL 17. In a produceiz :1 S'iZP. .r 112111,:1 trough surround! ash 11111,

11 and means for elevating ashes over the g mi'ipheral edge of said ssh pan err-(l ('lPll ing the same to said. trough substantially described.

producer, a, J pen, a trough surrounding s: means for rotating said trd ugh, me

peed v V 60 wee'reoirl have hereunto set it 1-1. TREAT. 

